Corn seed insect pest removing equipment and method

Abstract

The equipment comprises an outer cylinder, a pesticide spraying mechanism, a screening and vibrating mechanism and a cleaning mechanism, a pesticide supply box is fixedly mounted at the top end of the outer side of the outer cylinder, a circulating pipe is fixedly connected to the front side of the pesticide supply box, and a booster pump is fixedly connected to the bottom end of the circulating pipe; a liquid collecting hopper is fixedly installed at the end, away from the circulating pipe, of the booster pump, a filter screen is fixedly installed in the liquid collecting hopper, and a pesticide spraying mechanism is installed at the top end in the outer cylinder. According to the equipment and the method for removing the insect pests of the corn seeds, a coating solution is sprayed more uniformly through the pesticide spraying mechanism, so that corn kernel seeds and a coating agent are mixed more uniformly, the coating agent and the corn kernel seeds are combined more uniformly through the screening and vibrating mechanism, the dispersion rate of corn kernels is increased, the corn kernels can be uniformly coated with the coating agent, and the corn kernels are prevented from being damaged. The filter screen is cleaned through the cleaning mechanism, blockage of the filter screen is avoided, and meanwhile the trouble of later cleaning caused by the fact that thick impurities adhere to the inner bottom end of the outer cylinder is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of corn seed pest removal, and in particular to a corn seed pest removal device and method. Background Art

[0002] Corn seeds are treated with corn seed pest removal equipment before storage or sale. The equipment mainly treats corn seeds by coating to prevent pests from causing deterioration in seed quality.

[0003] With reference to Chinese patent authorization announcement number CN218125387U, the authorization announcement date is 2022-12-27, and a corn seed pest removal device is disclosed, including a base, an outer cylinder, a coating cylinder and a power mechanism, wherein the outer cylinder is fixedly connected to the base, the coating cylinder is located inside the outer cylinder, the power mechanism is arranged at the upper part of the outer cylinder and is power-connected to the coating cylinder, and the outer cylinder is also provided with a medicine supply mechanism for inputting the coating agent into the coating cylinder. The coating agent can be evenly and effectively coated on the seed grains by spraying combined with the rotation of the coating cylinder, and the excess coating agent can be collected and recycled, reducing the use of the coating agent and saving costs.

[0004] However, the coating agent of the existing corn seed pest control equipment is not sprayed evenly, the efficiency of combining corn kernel seeds with the coating agent is low, and there is no filter screen in the liquid collecting hopper, so that the dust on the outer layer of the corn kernel seeds or smaller corn kernel seeds will be sucked into the medicine supply box by the booster pump, thereby causing the pipeline to be blocked and affecting the use of the coating agent. For example, the comparative patent cited above has this problem; therefore, we propose a corn seed pest control equipment and method to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a corn seed pest control device and method to solve the problems of uneven spraying of coating agent, low efficiency of combining corn kernel seeds with coating agent, and no filter screen in the liquid collecting hopper, so that dust on the outer layer of corn kernel seeds or smaller corn kernel seeds will be sucked into the drug supply phase by the booster pump, thereby causing pipeline blockage and affecting the use of coating agent.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a corn seed pest removal device, comprising an outer cylinder, a spraying mechanism, a sieving and vibrating mechanism and a cleaning mechanism, a medicine supply box is fixedly installed on the top end of the outer side of the outer cylinder, a circulation pipe is fixedly connected to the front side of the medicine supply box, a booster pump is fixedly connected to the bottom end of the circulation pipe, a liquid collecting bucket is fixedly installed on the end of the booster pump away from the circulation pipe, a filter is fixedly installed in the liquid collecting bucket, a spraying mechanism is installed on the top end of the outer cylinder, a cleaning mechanism is installed on the inner rear side of the outer cylinder, a sieving and vibrating mechanism is arranged in the middle of the outer cylinder, and the medicine supply box is connected to the spraying mechanism through a medicine outlet pipe.

[0007] Preferably, the spraying mechanism comprises a first motor, a first connecting rod, a second connecting rod, a spraying pipe, a nozzle, a hanging rod, a fixing block and a fixing plate, and the output end of the first motor is fixedly connected to the first connecting rod.

[0008] Preferably, the first connecting rod is rotatably connected to the second connecting rod at one end away from the first motor, and the second connecting rod is rotatably connected to the spray pipe at one end away from the first connecting rod. A plurality of spray heads are fixedly installed at the bottom of the spray pipe, and the top of the spray pipe is fixedly connected to a hanging rod via a plate.

[0009] Preferably, the hanging rod is slidably connected in the fixed block, the fixed block and the fixed plate are both fixedly installed at the top end of the outer cylinder, the first connecting rod is rotatably connected in the two fixed plates, the first motor is fixedly installed on the front side of the fixed plate, and the rear side of the spray pipe is fixedly connected with a medicine outlet pipe.

[0010] Preferably, the screening vibration mechanism includes a second motor, a rotating shaft, a weight-adding block, a coating cylinder, a slider, a connecting frame, a spring and a fixing rod, the output end of the second motor is fixedly connected to the rotating shaft, and the weight-adding block is fixedly installed on the arc surface in the middle of the rotating shaft.

[0011] Preferably, the rotating shaft is rotatably connected in the slider, the slider is slidably connected in the connecting frame, springs are fixedly installed on the front and rear sides of the inner wall of the connecting frame, and the slider is fixedly connected to one end of the spring away from the connecting frame.

[0012] Preferably, the connecting frame is fixedly installed at the feed port and the discharge port of the outer cylinder, a fixing rod is fixedly connected to the outer side of the rotating shaft, the fixing rod is fixedly connected to the coating cylinder at one end away from the rotating shaft, and the second motor is fixedly installed on the outer end of the right connecting frame.

[0013] Preferably, the cleaning mechanism includes a collection box, a filter plate, an air suction pump, a box door, an air suction pipe, a third motor, a screw rod, a movable block and a mounting shell. The filter plate and the air suction pump are fixedly installed in the collection box. The filter plate is located on the right side of the air suction pump. The air suction end of the air suction pump faces the filter plate. The front side of the collection box is rotatably connected to the box door.

[0014] Preferably, an air intake pipe is fixedly connected to the bottom of the collecting box, and the air intake pipe is close to the filter at one end away from the collecting box. A moving block is fixedly connected to the top outer side of the collecting box by a screw, and the moving block is threadedly connected to the outside of the screw rod, and the screw rod is rotatably connected in the mounting shell, and the output end of the third motor is fixedly connected to the screw rod, and the third motor is fixedly installed in the mounting shell, and the mounting shell is fixedly installed on the inner rear side of the outer cylinder.

[0015] A method for using a corn seed pest removal device comprises the following steps: Step 1: Use the bracket to tilt the outer cylinder to the left; Step 2: Pour corn kernels into the feed port on the right side of the outer cylinder, and pour the coating agent into the medicine supply box; Step 3: Start the spraying mechanism to spray the coating agent into the outer cylinder, soak the corn kernels with the coating agent to kill insects, and start the sieve vibration mechanism to mix the corn kernels and the coating agent so that the coating agent soaks the corn kernels more fully; Step 4: The corn kernels after the insects are killed are discharged from the discharge port on the left side of the outer cylinder. At the same time, the coating agent in the outer cylinder flows into the liquid collecting hopper and is pumped to the circulation pipe by the booster pump, and then flows into the medicine box again for circulation.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the corn seed pest removal equipment makes the coating liquid spray more evenly through the spraying mechanism, so that the corn kernel seeds and the coating agent are mixed more evenly, and the coating agent and the corn kernel seeds are combined more evenly through the screening and vibration mechanism, thereby improving the dispersion rate of the corn kernels and enabling them to be evenly coated with the coating agent. The filter screen is cleaned through the cleaning mechanism to avoid clogging, and at the same time, thick impurities adhering to the bottom end of the outer cylinder are avoided to cause trouble in later cleaning.

[0017] 1. A spraying mechanism is provided. The first motor drives the first connecting rod to rotate. Due to the limitation of the fixed block, the rotating first connecting rod drives the second connecting rod to swing. The second connecting rod drives the spraying pipe to swing left and right, so that the spray head moves left and right, thereby improving the uniformity of the spraying of the medicine; Furthermore, a first connecting rod is provided in the two fixed plates, so that the connection is more stable and the probability of parts falling off during operation is reduced. The hanging rod is fixedly connected to the top of the outer side of the spray pipe through the plate, and is slidably connected in the fixed block, so that the spray pipe can move stably and the spray head can be used normally. 2. A sieve vibration mechanism is provided, and a fixed rod longitudinally connected to the outer side of the rotating shaft rotates, and a coating drum is fixedly connected to the end of the fixed rod away from the rotating shaft. The fixed rod drives the coating drum to rotate, so that the corn kernels accumulated in the coating drum can be dispersed; Furthermore, the rotating shaft is rotatably connected in the slider, the slider is slidably connected in the connecting frame, and the two ends of the spring are respectively connected to the front and rear ends of the outer side of the slider and the front and rear walls of the connecting frame. The weight block is used to increase the elastic force of the spring, and the elastic force of the springs at both ends drives the rotating shaft to shake, thereby improving the dispersion rate of the corn kernels. 3. A filter and a cleaning mechanism are provided. A filter is fixedly installed in the liquid collecting hopper to block smaller corn kernels and dust particles and prevent them from entering the circulation pipe; Furthermore, the suction pipe sucks the dust particles accumulated on the filter screen into the collection box, the filter plate blocks the dust particles on the right side of the collection box, and the air is discharged from the exhaust end on the other side of the suction pump; Furthermore, the third motor drives the screw to rotate, and the screw drives the collection box to move, which cleans the impurities adhered to the inner bottom of the outer cylinder, avoiding the trouble of later cleaning caused by thick impurities adhered to the inner bottom end of the outer cylinder 1. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the connection structure between the spraying mechanism and the outer cylinder of the present invention; Figure 3 It is a schematic diagram of the structure of the spraying mechanism of the present invention; Figure 4 It is a schematic diagram of the structure of the screening and vibration mechanism of the present invention; Figure 5 It is a schematic diagram of the connection structure between the screening vibration mechanism and the outer cylinder of the present invention; Figure 6 This is a schematic diagram of the connection structure of the slider, the connection frame and the spring of the present invention; Figure 7 It is a schematic diagram of the connection structure of the cleaning mechanism, the liquid collecting bucket and the outer cylinder of the present invention; Figure 8 It is a schematic diagram of the cleaning mechanism structure of the present invention.

[0019] In the figure: 1. outer cylinder; 2. circulation pipe; 3. liquid collecting hopper; 4. medicine supply box; 5. medicine spraying mechanism; 501. first motor; 502. first connecting rod; 503. second connecting rod; 504. medicine spraying pipe; 505. nozzle; 506. hanging rod; 507. fixed block; 508. fixed plate; 6. medicine outlet pipe; 7. screening vibration mechanism; 701. second motor; 702. rotating shaft; 703. weight-increasing block; 704. coating cylinder; 705. slider; 706. connecting frame; 707. spring; 708. fixed rod; 8. cleaning mechanism; 801. collecting box; 802. filter plate; 803. suction pump; 804. box door; 805. suction pipe; 806. third motor; 807. screw rod; 808. moving block; 809. mounting shell; 9. booster pump; 10. filter screen. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 8 , the present invention provides the following technical solutions: Embodiment 1: The coating agent of the existing corn seed pest removal equipment is sprayed unevenly, so that the corn seed and the coating agent are mixed unevenly. To solve this technical problem, this embodiment discloses the following technical contents: A corn seed pest removal device and method, comprising an outer cylinder 1, a spraying mechanism 5, a sieve-vibration mechanism 7 and a cleaning mechanism 8, a medicine supply box 4 is fixedly installed on the top of the outer side of the outer cylinder 1, a circulation pipe 2 is fixedly connected to the front side of the medicine supply box 4, a booster pump 9 is fixedly connected to the bottom end of the circulation pipe 2, a liquid collecting hopper 3 is fixedly installed on the end of the booster pump 9 away from the circulation pipe 2, a filter screen 10 is fixedly installed in the liquid collecting hopper 3, a spraying mechanism 5 is installed on the top of the inner side of the outer cylinder 1, a cleaning mechanism 8 is installed on the inner rear side of the outer cylinder 1, a sieve-vibration mechanism 7 is arranged in the middle of the outer cylinder 1, and the medicine supply box 4 is connected to the spraying mechanism 5 through a medicine outlet pipe 6; like Figure 2 and Figure 3As shown, a medicine spraying mechanism 5 is installed at the top end of the outer cylinder 1, and the medicine spraying mechanism 5 includes a first motor 501, a first connecting rod 502, a second connecting rod 503, a medicine spraying pipe 504, a nozzle 505, a hanging rod 506, a fixed block 507 and a fixed plate 508. The top end of the medicine spraying pipe 504 is fixedly connected to the hanging rod 506 through a plate, and the hanging rod 506 is slidably connected in the fixed block 507. The fixed block 507 and the fixed plate 508 are both fixedly installed at the top end of the outer cylinder 1. The first motor 501 is fixedly installed on the front side of the fixed plate 508. When the first motor 501 is started, the output end of the first motor 501 is fixedly connected to the first connecting rod 502, and the first connecting rod 502 is rotatably connected in the two fixed plates 508, so that the first motor 501 drives the first connecting rod 502 to rotate. The first connecting rod 502 is rotatably connected to the second connecting rod 503 at one end away from the first motor 501, and the second connecting rod 503 is rotatably connected to the spraying pipe 504 at one end away from the first connecting rod 502, so that the second connecting rod 503 is bent left and right to drive the spraying pipe 504 to swing left and right. At this time, the hanging rod 506 slides in the fixed block 507, and the spraying pipe 504 can move left and right stably in the outer cylinder 1 through the hanging rod 506 and the fixed block 507. A plurality of spray heads 505 are fixedly installed at the bottom of the spraying pipe 504, and the spraying pipe 504 drives the spray heads 505 to swing left and right, so that the coating agent can be sprayed more evenly in the outer cylinder 1, and a coating cylinder 704 is arranged below it, and corn kernel seeds are arranged in the coating cylinder 704, so that the coating agent can contact with the corn kernels more evenly; A first connecting rod 502 is provided inside the two fixing plates 508 to make the connection more stable and reduce the probability of parts falling off during operation. A drug outlet pipe 6 is fixedly connected to the rear side of the drug spraying pipe 504. The drug outlet pipe 6 is fixedly connected to a drug supply box 4 at one end away from the drug spraying pipe 504. The coating agent in the drug supply box 4 enters the drug spraying pipe 504 through the drug outlet pipe 6. Embodiment 2: The coating agent of the existing corn seed pest removal equipment is unevenly combined with the corn seed, and the accumulation of corn kernels makes it impossible to evenly coat the coating agent. To solve this technical problem, this embodiment discloses the following technical content: like Figure 4-Figure 6As shown, a sieve vibration mechanism 7 is provided in the middle of the outer cylinder 1, and the sieve vibration mechanism 7 includes a second motor 701, a rotating shaft 702, a weight-increasing block 703, a coating cylinder 704, a slider 705, a connecting frame 706, a spring 707 and a fixed rod 708. The connecting frame 706 is fixedly installed at the feeding port and the discharging port of the outer cylinder 1, and the second motor 701 is fixedly installed at the outer end of the right connecting frame 706. When the second motor 701 is started, the output end of the second motor 701 is fixedly connected with the rotating shaft 702, and the second motor 701 drives the rotating shaft 702 to rotate. A longitudinal fixed rod 708 is fixedly connected to the outer side of the rotating shaft 702, and the rotating shaft 702 drives the fixed rod 708 to rotate. The fixed rod 708 is fixedly connected to the coating cylinder 704 at one end away from the rotating shaft 702, and the fixed rod 708 drives the coating cylinder 704 to rotate, so that the corn kernels accumulated in the coating cylinder 704 can be dispersed; The rotating shaft 702 is rotatably connected in the slider 705, and the slider 705 is slidably connected in the connecting frame 706. Springs 707 are fixedly installed on the front and rear sides of the inner wall of the connecting frame 706. The spring 707 is fixedly connected to the slider 705 at one end away from the connecting frame 706, so that the rotating rotating shaft 702 produces a shaking effect through the elastic force of the springs 707 at both ends, thereby further improving the dispersion rate. A weight-added block 703 is fixedly installed on the arc surface in the middle of the rotating shaft 702, which has a centrifugal effect, so that when the rotating shaft 702 rotates, it deviates toward one end of the weight-added block 703, thereby enhancing the pressure of the slider 705 on the springs 707 at both ends, enhancing the elastic force of the spring 707, thereby enhancing the vibration effect of the coating cylinder 704, thereby further improving the dispersion rate of the corn kernels. The arc surface walls of the coating cylinder 704 are all hollow, and the size of the hollow holes is smaller than the corn kernels, so that it is convenient for the coating agent to enter it and combine with it, and also prevent the corn kernels from falling from the arc surface; Embodiment 3: The existing corn seed pest removal device does not set a filter 10 when collecting the coating liquid in the outer cylinder 1 for recycling, resulting in dust particles and smaller corn kernels entering the pipeline and causing blockage. To solve this technical problem, this embodiment discloses the following technical content: like Figure 7 and Figure 8 As shown, a medicine supply box 4 is fixedly installed on the top of the outer side of the outer cylinder 1, a circulation pipe 2 is fixedly connected to the front side of the medicine supply box 4, a booster pump 9 is fixedly connected to the bottom end of the circulation pipe 2, a liquid collecting hopper 3 is fixedly installed on the end of the booster pump 9 away from the circulation pipe 2, a filter screen 10 is fixedly installed in the liquid collecting hopper 3, and the aperture of the filter screen 10 is smaller than the aperture of the coating cylinder 704, so as to block smaller corn kernels and dust particles and prevent them from entering the circulation pipe 2; In order to prevent the filter 10 from being blocked and affecting the efficiency, a cleaning mechanism 8 is arranged above the filter 10, including a collection box 801, a filter plate 802, an air suction pump 803, a box door 804, an air suction pipe 805, a third motor 806, a screw rod 807, a moving block 808 and a mounting shell 809. The filter plate 802 and the air suction pump 803 are fixedly installed in the collection box 801. The filter plate 802 is located on the right side of the air suction pump 803. The air suction end of the air suction pump 803 faces the filter plate 802. The bottom of the collection box 801 is fixedly connected with an air suction pipe 805. The end of the air suction pipe 805 away from the collection box 801 is close to the filter 10. The air suction pump 803 is started, so that the air suction pipe 805 sucks the dust particles accumulated on the filter 10 into the collection box 801. The filter plate 802 blocks the dust particles on the right side of the collection box 801, and the air is discharged from the exhaust end on the other side of the air suction pump 803. The bottom end of the inner wall of the outer cylinder 1 is prone to adhere to some dust particles that are difficult to remove. At this time, the third motor 806 is started, and the mounting shell 809 is fixedly mounted on the inner rear side of the outer cylinder 1. The third motor 806 is fixedly mounted in the mounting shell 809. The output end of the third motor 806 is fixedly connected with a screw rod 807, and the screw rod 807 is rotatably connected in the mounting shell 809. The third motor 806 drives the screw rod 807 to rotate, and the moving block 808 is threadedly connected to the outside of the screw rod 807. The rotating screw rod 807 drives the moving block 808 to move left and right. The top of the outer side of the collection box 801 is fixedly connected with the moving block by screws. 808, so that the moving block 808 drives the collection box 801 to move left and right, so that the collection box 801 drives the suction pipe 805 to move left and right, which cleans up the impurities adhering to the bottom end of the inner wall of the outer tube 1, thereby reducing the burden on the staff. When processing the impurities in the collection box 801, move the collection box 801 to the far left end, use the work to remove the screws, take out the collection box 801, the front side of the collection box 801 is rotatably connected to the box door 804, and the box door 804 can be opened to process the dust inside it. After the processing is completed, use the screws and the moving block 808 to install it; Working principle: the outer cylinder 1 is tilted to the left and installed on the bracket, and the coating agent is poured into the medicine box 4, and the corn kernels are poured into the coating cylinder 704 from the feed port on the right side of the outer cylinder 1, and the spraying mechanism 5 is opened according to the first embodiment to make the coating liquid sprayed evenly, and the sieve vibration mechanism 7 is opened according to the second embodiment to make the corn kernels and the coating liquid mixed evenly. Since the outer cylinder 1 is tilted, the corn kernels are combined with the coating agent in the outer cylinder 1 and discharged from the discharge port on its left side. When cleaning the filter 10, the above operation is stopped to keep the bottom of the outer cylinder 1 dry to prevent the coating agent from being sucked into the collection box 801. According to the third embodiment, the cleaning mechanism 8 is started to remove the filter 10 and impurities adhered to the bottom of the outer cylinder 1 to avoid blockage caused by accumulation of impurities at the filter 10, and to avoid the trouble of later cleaning caused by thick impurities adhered to the bottom end of the outer cylinder 1.

[0022] The above completes a series of operations of the corn seed pest removal device and method. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0023] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corn seed pest removal device, comprising an outer cylinder (1), a spraying mechanism (5), a screening and vibration mechanism (7) and a cleaning mechanism (8), characterized in that: A medicine supply box (4) is fixedly installed at the top outer side of the outer cylinder (1), a circulation pipe (2) is fixedly connected to the front side of the medicine supply box (4), a booster pump (9) is fixedly connected to the bottom end of the circulation pipe (2), a liquid collecting bucket (3) is fixedly installed at the end of the booster pump (9) away from the circulation pipe (2), a filter screen (10) is fixedly installed in the liquid collecting bucket (3), a medicine spraying mechanism (5) is installed at the top inner side of the outer cylinder (1), a cleaning mechanism (8) is installed at the inner rear side of the outer cylinder (1), a sieve vibration mechanism (7) is arranged in the middle of the outer cylinder (1), and the medicine supply box (4) is connected to the medicine spraying mechanism (5) via a medicine outlet pipe (6).

2. The corn seed pest removal device according to claim 1, characterized in that: The spraying mechanism (5) comprises a first motor (501), a first connecting rod (502), a second connecting rod (503), a spraying pipe (504), a spray head (505), a hanging rod (506), a fixing block (507) and a fixing plate (508), wherein the output end of the first motor (501) is fixedly connected to the first connecting rod (502).

3. The corn seed pest removal device according to claim 2, characterized in that: One end of the first connecting rod (502) away from the first motor (501) is rotatably connected to the second connecting rod (503), and one end of the second connecting rod (503) away from the first connecting rod (502) is rotatably connected to the spraying pipe (504). A plurality of spray heads (505) are fixedly mounted at the bottom of the spraying pipe (504), and a hanging rod (506) is fixedly connected to the top of the spraying pipe (504) via a plate.

4. The corn seed pest removal device according to claim 2, characterized in that: The hanging rod (506) is slidably connected in the fixed block (507), the fixed block (507) and the fixed plate (508) are both fixedly mounted on the top end of the outer cylinder (1), the first connecting rod (502) is rotatably connected in the two fixed plates (508), the first motor (501) is fixedly mounted on the front side of the fixed plate (508), and the rear side of the spray pipe (504) is fixedly connected to a medicine outlet pipe (6).

5. The corn seed pest removal device according to claim 1, characterized in that: The sieve vibration mechanism (7) comprises a second motor (701), a rotating shaft (702), a weight-added block (703), a coating drum (704), a slider (705), a connecting frame (706), a spring (707) and a fixing rod (708); the output end of the second motor (701) is fixedly connected to the rotating shaft (702); and the weight-added block (703) is fixedly mounted on the arc surface in the middle of the rotating shaft (702).

6. The corn seed pest removal device according to claim 5, characterized in that: The rotating shaft (702) is rotatably connected in the slider (705), and the slider (705) is slidably connected in the connection frame (706). Springs (707) are fixedly installed on the front and rear sides of the inner wall of the connection frame (706), and the slider (705) is fixedly connected at one end of the spring (707) away from the connection frame (706).

7. The corn seed pest removal device according to claim 5, characterized in that: The connecting frame (706) is fixedly mounted at the feed port and the discharge port of the outer cylinder (1); a fixing rod (708) is fixedly connected to the outside of the rotating shaft (702); an end of the fixing rod (708) away from the rotating shaft (702) is fixedly connected to the coating cylinder (704); and the second motor (701) is fixedly mounted on the outer end of the right connecting frame (706).

8. The corn seed pest removal device according to claim 1, characterized in that: The cleaning mechanism (8) comprises a collection box (801), a filter plate (802), an air suction pump (803), a box door (804), an air suction pipe (805), a third motor (806), a screw rod (807), a moving block (808) and a mounting shell (809); the filter plate (802) and the air suction pump (803) are fixedly mounted in the collection box (801); the filter plate (802) is located on the right side of the air suction pump (803); the air suction end of the air suction pump (803) faces the filter plate (802); and the box door (804) is rotatably connected to the front side of the collection box (801).

9. The corn seed pest removal device according to claim 8, characterized in that: The bottom of the collecting box (801) is fixedly connected to an air intake pipe (805), one end of the air intake pipe (805) away from the collecting box (801) is close to the filter (10), the top of the outer side of the collecting box (801) is fixedly connected to a moving block (808) by means of screws, the moving block (808) is threadedly connected to the outside of a screw rod (807), the screw rod (807) is rotatably connected in a mounting shell (809), the output end of the third motor (806) is fixedly connected to the screw rod (807), the third motor (806) is fixedly mounted in the mounting shell (809), and the mounting shell (809) is fixedly mounted on the inner rear side of the outer cylinder (1).

10. A method for using the corn seed pest removal device according to claim 1, characterized in that: The steps include: Step 1: Use a bracket to tilt the outer cylinder (1) to the left; Step 2: Pour corn kernels into the feed port on the right side of the outer cylinder (1), and pour the coating agent into the medicine supply box (4); Step 3: starting the spraying mechanism (5) to spray the coating agent into the outer cylinder (1), soaking the corn kernels with the coating agent to kill insects, and simultaneously starting the sieve vibration mechanism (7) to mix the corn kernels and the coating agent so that the coating agent soaks the corn kernels more fully; Step 4: The corn kernels after the insects are killed are discharged from the discharge port on the left side of the outer cylinder (1). At the same time, the coating agent in the outer cylinder (1) flows into the liquid collecting hopper (3) and is pumped into the circulation pipe (2) by the booster pump (9), and then flows into the medicine box (4) again for recycling.

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